设一个系统的传递函数为 ,则它可看( )串连而成。A.(A) 惯性环节与环节;B...

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设一个系统的传递函数为 ,则它可看( )串连而成。

(A) 惯性环节与环节;

(B) 比例环节,惯性环节与环节;

(D) 比例环节,惯性环节与导前环节;

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